TDMS Study 05107-06 Pathology Tables
INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) NICKEL SUBSULFIDE NTP Experiment-Test: 05107-06 Report: PEIRPT05 Study Type: CHRONIC Date: 05/19/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 22:48:32 Facility: Lovelace Inhalation Toxicology Research Institute Chemical CAS #: 12035722 Lock Date: 10/14/92 Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All a Number of animals examined microscopically at site and number of animals with lesion Page 1 NTP Experiment-Test: 05107-06 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC NICKEL SUBSULFIDE Date: 05/19/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 22:48:32 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE 0.0MG/M3 0.0MG/M3 0.6MG/M3 0.6MG/M3 1.2MG/M3 1.2MG/M3 LUNG TOX LUNG TOX LUNG TOX ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially in Study 60 20 60 20 60 20 Scheduled Sacrifice 2 18 20 2 18 Early Deaths Moribund Sacrifice 14 15 11 2 Natural Death 8 11 9 Survivors Terminal Sacrifice 36 34 38 Other 2 Animals Examined Microscopically 58 10 60 10 58 12 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Gallbladder (53) (5) (51) (5) (51) (7) Intestine Large, Colon (56) (5) (55) (5) (52) (7) Intestine Large, Cecum (54) (5) (54) (5) (53) (7) Intestine Small, Duodenum (53) (5) (53) (5) (51) (7) Polyp Adenomatous 1 (2%) Intestine Small, Jejunum (54) (5) (53) (5) (51) (7) Adenoma 1 (2%) Liver (58) (5) (60) (5) (58) (7) Hemangioma 1 (20%) Hemangiosarcoma 2 (3%) 1 (2%) 1 (2%) 1 (14%) Hepatocellular Carcinoma 11 (19%) 8 (13%) 4 (7%) Hepatocellular Carcinoma, Multiple 1 (2%) Hepatocellular Adenoma 9 (16%) 1 (20%) 8 (13%) 9 (16%) Hepatocellular Adenoma, Multiple 4 (7%) 2 (3%) 1 (2%) Histiocytic Sarcoma 2 (3%) 1 (2%) 1 (14%) Histiocytic Sarcoma, Metastatic, Uterus 1 (2%) Sarcoma, Metastatic, Skeletal Muscle 1 (2%) Squamous Cell Carcinoma, Metastatic, Stomach, Forestomach 1 (2%) Mesentery (3) (4) (1) Carcinoma, Metastatic, Islets, Pancreatic 1 (33%) Histiocytic Sarcoma 1 (100%) Sarcoma, Metastatic, Skeletal Muscle 1 (25%) Squamous Cell Carcinoma, Metastatic, Stomach, Forestomach 1 (25%) Oral Mucosa (1) Buccal, Squamous Cell Papilloma 1 (100%) Pancreas (58) (5) (56) (5) (57) (7) Sarcoma, Metastatic, Skeletal Muscle 1 (2%) Squamous Cell Carcinoma, Metastatic, Stomach, Page 2 NTP Experiment-Test: 05107-06 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC NICKEL SUBSULFIDE Date: 05/19/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 22:48:32 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE 0.0MG/M3 0.0MG/M3 0.6MG/M3 0.6MG/M3 1.2MG/M3 1.2MG/M3 LUNG TOX LUNG TOX LUNG TOX ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont Forestomach 1 (2%) Salivary Glands (58) (5) (60) (5) (58) (7) Stomach, Forestomach (57) (5) (60) (5) (56) (7) Squamous Cell Carcinoma 1 (2%) Squamous Cell Papilloma 1 (2%) Stomach, Glandular (57) (5) (58) (5) (56) (7) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Heart (58) (5) (60) (5) (57) (7) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) Hemangiosarcoma, Metastatic, Liver 1 (2%) Sarcoma, Metastatic, Skeletal Muscle 1 (2%) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (58) (5) (58) (5) (58) (7) Adenoma 1 (2%) Hepatocellular Carcinoma, Metastatic, Liver 1 (2%) Sarcoma, Metastatic, Skeletal Muscle 1 (2%) 1 (2%) Squamous Cell Carcinoma, Metastatic, Stomach, Forestomach 1 (2%) Adrenal Medulla (58) (5) (58) (5) (58) (7) Pheochromocytoma Benign 1 (2%) 1 (2%) Islets, Pancreatic (58) (5) (56) (5) (57) (7) Adenoma 1 (2%) Carcinoma 1 (2%) Pituitary Gland (58) (4) (57) (5) (58) (7) Pars Distalis, Adenoma 8 (14%) 5 (9%) 3 (5%) Thyroid Gland (58) (5) (60) (5) (58) (7) Follicular Cell, Adenoma 2 (3%) 4 (7%) 3 (5%) Follicular Cell, Carcinoma 1 (2%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM Tissue NOS (4) (1) (1) Histiocytic Sarcoma 1 (25%) Mediastinum, Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (25%) Mediastinum, Hemangiosarcoma 1 (25%) Thoracic, Alveolar/Bronchiolar Carcinoma, Page 3 NTP Experiment-Test: 05107-06 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC NICKEL SUBSULFIDE Date: 05/19/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 22:48:32 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE 0.0MG/M3 0.0MG/M3 0.6MG/M3 0.6MG/M3 1.2MG/M3 1.2MG/M3 LUNG TOX LUNG TOX LUNG TOX ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM - cont Metastatic, Lung 1 (25%) ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Ovary (58) (4) (58) (5) (58) (7) Cystadenoma 2 (3%) 1 (2%) Histiocytic Sarcoma 1 (2%) Histiocytic Sarcoma, Metastatic, Uterus 1 (2%) Luteoma 1 (2%) Sarcoma, Metastatic, Skeletal Muscle 1 (2%) Squamous Cell Carcinoma, Metastatic, Stomach, Forestomach 1 (2%) Teratoma Benign 1 (2%) Teratoma Malignant 1 (2%) Uterus (58) (5) (60) (5) (58) (8) Fibroma 1 (2%) Hemangioma 1 (2%) Histiocytic Sarcoma 2 (3%) 1 (2%) 1 (2%) Polyp Stromal 1 (2%) 1 (2%) 1 (2%) 1 (13%) Endometrium, Adenocarcinoma 1 (2%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Bone Marrow (57) (5) (60) (5) (57) (7) Hemangiosarcoma, Metastatic, Tissue NOS 1 (2%) Histiocytic Sarcoma 1 (2%) Histiocytic Sarcoma, Metastatic, Uterus 1 (2%) Lymph Node (9) (12) (1) (11) Iliac, Hemangiosarcoma 1 (11%) Iliac, Sarcoma, Metastatic, Skeletal Muscle 1 (9%) Pancreatic, Histiocytic Sarcoma 1 (8%) Pancreatic, Sarcoma, Metastatic, Skeletal Muscle 1 (9%) Pancreatic, Squamous Cell Carcinoma, Metastatic, Stomach, Forestomach 1 (8%) Renal, Histiocytic Sarcoma, Metastatic, Uterus 1 (11%) Renal, Sarcoma, Metastatic, Skeletal Muscle 1 (9%) Lymph Node, Bronchial (50) (10) (57) (9) (58) (11) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) Histiocytic Sarcoma 1 (2%) Histiocytic Sarcoma, Metastatic, Uterus 1 (2%) Squamous Cell Carcinoma, Metastatic, Stomach, Forestomach 1 (2%) Page 4 NTP Experiment-Test: 05107-06 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC NICKEL SUBSULFIDE Date: 05/19/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 22:48:32 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE 0.0MG/M3 0.0MG/M3 0.6MG/M3 0.6MG/M3 1.2MG/M3 1.2MG/M3 LUNG TOX LUNG TOX LUNG TOX ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont Lymph Node, Mandibular (57) (7) (59) (7) (58) (10) Lymph Node, Mesenteric (55) (5) (54) (5) (55) (7) Hemangiosarcoma, Metastatic, Spleen 1 (2%) Histiocytic Sarcoma, Metastatic, Uterus 1 (2%) Sarcoma, Metastatic, Skeletal Muscle 1 (2%) Lymph Node, Mediastinal (15) (28) (29) (3) Histiocytic Sarcoma, Metastatic, Uterus 1 (7%) Squamous Cell Carcinoma, Metastatic, Stomach, Forestomach 1 (4%) Spleen (58) (5) (60) (5) (58) (7) Fibrosarcoma 1 (2%) Hemangiosarcoma 1 (2%) 1 (2%) Hemangiosarcoma, Metastatic, Tissue NOS 1 (2%) Histiocytic Sarcoma 1 (2%) 1 (2%) Histiocytic Sarcoma, Metastatic, Uterus 1 (2%) Teratoma Malignant, Metastatic, Ovary 1 (2%) Thymus (58) (5) (57) (5) (53) (6) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) Histiocytic Sarcoma 1 (2%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Mammary Gland (57) (5) (59) (5) (58) (7) Adenocarcinoma 1 (2%) 3 (5%) Skin (58) (5) (60) (5) (58) (7) Fibroma 1 (2%) Fibrosarcoma 1 (2%) Keratoacanthoma 1 (2%) Pinna, Fibrosarcoma 2 (3%) 1 (2%) Pinna, Squamous Cell Carcinoma 1 (2%) Sebaceous Gland, Squamous Cell Carcinoma 1 (2%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM Bone (57) (5) (60) (5) (57) (7) Hemangiosarcoma 1 (2%) Skeletal Muscle (1) (3) (1) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (100%) Hemangiosarcoma 1 (33%) Hemangiosarcoma, Metastatic, Spleen 1 (33%) Sarcoma 1 (33%) 1 (100%) ____________________________________________________________________________________________________________________________________ Page 5 NTP Experiment-Test: 05107-06 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC NICKEL SUBSULFIDE Date: 05/19/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 22:48:32 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE 0.0MG/M3 0.0MG/M3 0.6MG/M3 0.6MG/M3 1.2MG/M3 1.2MG/M3 LUNG TOX LUNG TOX LUNG TOX ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM Brain (58) (5) (60) (5) (58) (7) ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Larynx (54) (4) (55) (4) (51) (6) Epithelium, Squamous Cell Carcinoma 1 (2%) Lung (58) (10) (59) (10) (58) (12) Adenocarcinoma, Metastatic, Mammary Gland 1 (2%) Alveolar/Bronchiolar Adenoma 3 (5%) 1 (2%) 1 (2%) Alveolar/Bronchiolar Carcinoma 7 (12%) 1 (2%) 2 (3%) Hepatocellular Carcinoma, Metastatic 1 (2%) Hepatocellular Carcinoma, Metastatic, Liver 2 (3%) 6 (10%) 1 (2%) Histiocytic Sarcoma 1 (2%) 1 (8%) Sarcoma, Metastatic, Skeletal Muscle 1 (2%) Squamous Cell Carcinoma, Metastatic, Stomach, Forestomach 1 (2%) Nose (58) (10) (59) (10) (58) (12) Hemangioma 1 (2%) Trachea (57) (5) (57) (5) (56) (7) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Harderian Gland (1) (1) Adenoma 1 (100%) 1 (100%) ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (58) (10) (60) (10) (58) (12) Adenocarcinoma, Metastatic, Mammary Gland 1 (2%) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) 1 (2%) Histiocytic Sarcoma 1 (8%) Histiocytic Sarcoma, Metastatic, Uterus 1 (2%) Squamous Cell Carcinoma, Metastatic, Stomach, Forestomach 1 (2%) Teratoma Malignant, Metastatic, Ovary 1 (2%) Urinary Bladder (56) (5) (55) (5) (57) (7) ____________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS Multiple Organs *(58) *(10) *(60) *(10) *(58) *(12) Histiocytic Sarcoma 2 (3%) 2 (3%) 1 (2%) 1 (8%) * Number of animals with any tissue examined microscopically Page 6 NTP Experiment-Test: 05107-06 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC NICKEL SUBSULFIDE Date: 05/19/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 22:48:32 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE 0.0MG/M3 0.0MG/M3 0.6MG/M3 0.6MG/M3 1.2MG/M3 1.2MG/M3 LUNG TOX LUNG TOX LUNG TOX ____________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS - cont Multiple Organs *(58) *(10) *(60) *(10) *(58) *(12) Lymphoma Malignant 5 (9%) 7 (12%) 6 (10%) ____________________________________________________________________________________________________________________________________ Page 7 NTP Experiment-Test: 05107-06 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC NICKEL SUBSULFIDE Date: 05/19/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 22:48:32 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE FEMALE 0.0MG/M3 0.0MG/M3 0.6MG/M3 0.6MG/M3 1.2MG/M3 1.2MG/M3 LUNG TOX LUNG TOX LUNG TOX ____________________________________________________________________________________________________________________________________ TUMOR SUMMARY Total Animals with Primary Neoplasms (b) 42 2 39 36 3 Total Primary Neoplasms 69 2 55 48 3 Total Animals with Benign Neoplasms 27 2 22 20 1 Total Benign Neoplasms 35 2 25 26 1 Total Animals with Malignant Neoplasms 26 27 21 2 Total Malignant Neoplasms 34 30 22 2 Total Animals with Metastatic Neoplasms 7 12 2 Total Metastatic Neoplasm 18 37 7 Total Animals with Malignant Neoplasms Uncertain Primary Site Total Animals with Neoplasms Uncertain- Benign or Malignant Total Uncertain Neoplasms ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion b Primary tumors: all tumors except metastatic tumors Page 8 NTP Experiment-Test: 05107-06 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC NICKEL SUBSULFIDE Date: 05/19/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 22:48:32 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE MALE 0.0MG/M3 0.0MG/M3 0.6MG/M3 0.6MG/M3 1.2MG/M3 1.2MG/M3 LUNG TOX LUNG TOX LUNG TOX ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially in Study 60 20 60 20 60 20 Scheduled Sacrifice 1 18 2 18 2 18 Early Deaths Moribund Sacrifice 27 25 1 25 1 Natural Death 6 2 8 1 8 1 Survivors Terminal Sacrifice 26 25 25 Animals Examined Microscopically 59 12 59 11 58 12 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Gallbladder (56) (6) (50) (5) (53) (5) Fibrous Histiocytoma, Metastatic, Liver 1 (2%) Intestine Small, Duodenum (56) (5) (51) (5) (53) (6) Adenoma 1 (2%) Intestine Small, Jejunum (56) (5) (51) (5) (53) (6) Intestine Small, Ileum (55) (5) (51) (5) (54) (6) Hepatocellular Carcinoma, Metastatic, Liver 1 (2%) Liver (59) (7) (58) (6) (57) (7) Fibrous Histiocytoma 1 (2%) Hemangioma 1 (2%) Hemangiosarcoma 1 (2%) Hepatoblastoma 1 (2%) Hepatocellular Carcinoma 10 (17%) 1 (14%) 15 (26%) 12 (21%) 1 (14%) Hepatocellular Carcinoma, Multiple 2 (3%) Hepatocellular Adenoma 11 (19%) 1 (14%) 8 (14%) 2 (33%) 11 (19%) 1 (14%) Hepatocellular Adenoma, Multiple 2 (3%) 1 (2%) 3 (5%) Hepatocholangiocarcinoma 1 (2%) Mesentery (1) Fibrous Histiocytoma, Metastatic, Liver 1 (100%) Pancreas (59) (7) (58) (6) (56) (7) Fibrous Histiocytoma, Metastatic, Liver 1 (2%) Salivary Glands (59) (7) (58) (6) (57) (7) Stomach, Glandular (59) (7) (58) (6) (55) (7) Adenocarcinoma 1 (2%) Fibrous Histiocytoma, Metastatic, Liver 1 (2%) Tooth (4) (1) (4) Odontoma 2 (50%) ____________________________________________________________________________________________________________________________________ Page 9 NTP Experiment-Test: 05107-06 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC NICKEL SUBSULFIDE Date: 05/19/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 22:48:32 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE MALE 0.0MG/M3 0.0MG/M3 0.6MG/M3 0.6MG/M3 1.2MG/M3 1.2MG/M3 LUNG TOX LUNG TOX LUNG TOX ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Heart (59) (7) (58) (6) (58) (7) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (59) (7) (58) (6) (56) (7) Fibrous Histiocytoma, Metastatic, Liver 1 (2%) Capsule, Adenoma 2 (3%) 1 (2%) Adrenal Medulla (58) (7) (58) (6) (54) (7) Fibrous Histiocytoma, Metastatic, Liver 1 (2%) Pheochromocytoma Complex 1 (2%) Islets, Pancreatic (59) (7) (58) (6) (56) (7) Adenoma 1 (2%) 1 (17%) Pituitary Gland (56) (7) (57) (6) (53) (7) Pars Distalis, Adenoma 1 (2%) Thyroid Gland (59) (7) (58) (6) (57) (7) Follicular Cell, Adenoma 4 (7%) 1 (2%) 1 (2%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM Tissue NOS (1) (1) Mediastinum, Alveolar/Bronchiolar Carcinoma, Metastatic 1 (100%) Thoracic, Alveolar/Bronchiolar Carcinoma, Metastatic 1 (100%) Thoracic, Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (100%) ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Coagulating Gland (1) Interstitium, Granular Cell Tumor NOS 1 (100%) Epididymis (59) (7) (58) (6) (57) (7) Fibrous Histiocytoma 1 (2%) Fibrous Histiocytoma, Metastatic, Liver 1 (2%) Leiomyoma 1 (2%) Seminal Vesicle (59) (7) (58) (6) (57) (7) Fibrous Histiocytoma, Metastatic, Liver 1 (2%) Testes (59) (7) (58) (6) (57) (7) Interstitial Cell, Adenoma 1 (2%) ____________________________________________________________________________________________________________________________________ Page 10 NTP Experiment-Test: 05107-06 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC NICKEL SUBSULFIDE Date: 05/19/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 22:48:32 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE MALE 0.0MG/M3 0.0MG/M3 0.6MG/M3 0.6MG/M3 1.2MG/M3 1.2MG/M3 LUNG TOX LUNG TOX LUNG TOX ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Lymph Node (18) (1) (11) (2) (10) (1) Axillary, Fibrosarcoma, Metastatic, Skin 1 (6%) Pancreatic, Fibrous Histiocytoma, Metastatic, Liver 1 (6%) Lymph Node, Bronchial (39) (8) (53) (7) (53) (11) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (3%) Hepatocellular Carcinoma, Metastatic 1 (2%) Lymph Node, Mesenteric (56) (7) (56) (6) (53) (7) Adenocarcinoma, Metastatic, Stomach, Glandular 1 (2%) Fibrous Histiocytoma 1 (2%) Hemangioma 1 (2%) 1 (2%) Hemangiosarcoma 1 (2%) Lymph Node, Mediastinal (12) (3) (18) (3) (17) (5) Spleen (59) (7) (57) (6) (55) (7) Hemangioma 1 (2%) Hemangiosarcoma 1 (2%) Thymus (46) (7) (50) (5) (39) (7) Alveolar/Bronchiolar Carcinoma, Metastatic, Lung 1 (2%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Skin (59) (7) (56) (6) (57) (7) Fibrosarcoma 1 (2%) Fibrous Histiocytoma 1 (2%) Pinna, Hemangiosarcoma 1 (2%) Prepuce, Fibrous Histiocytoma 1 (2%) Tail, Hemangiosarcoma 1 (2%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM None ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM None ____________________________________________________________________________________________________________________________________ Page 11 NTP Experiment-Test: 05107-06 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC NICKEL SUBSULFIDE Date: 05/19/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 22:48:32 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE MALE 0.0MG/M3 0.0MG/M3 0.6MG/M3 0.6MG/M3 1.2MG/M3 1.2MG/M3 LUNG TOX LUNG TOX LUNG TOX ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (59) (12) (58) (11) (56) (12) Alveolar/Bronchiolar Adenoma 5 (8%) 3 (5%) 2 (4%) Alveolar/Bronchiolar Adenoma, Two 1 (2%) Alveolar/Bronchiolar Carcinoma 7 (12%) 2 (3%) 4 (7%) Fibrous Histiocytoma, Metastatic, Liver 1 (2%) Hepatoblastoma, Metastatic, Liver 1 (2%) Hepatocellular Carcinoma, Metastatic, Liver 2 (3%) 6 (10%) 2 (4%) Hepatocholangiocarcinoma, Metastatic, Liver 1 (2%) Pheochromocytoma Complex, Metastatic, Adrenal Medulla 1 (2%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Harderian Gland (1) Adenoma 1 (100%) ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (59) (12) (58) (11) (57) (12) Fibrous Histiocytoma, Metastatic, Liver 1 (2%) Hepatoblastoma, Metastatic, Liver 1 (2%) Hepatocellular Carcinoma, Metastatic, Liver 1 (2%) Pelvis, Hemangiosarcoma 1 (2%) Urinary Bladder (59) (7) (58) (7) (56) (7) Leiomyosarcoma 1 (2%) ____________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS Multiple Organs *(59) *(12) *(59) *(11) *(58) *(12) Lymphoma Malignant 1 (2%) 1 (2%) ____________________________________________________________________________________________________________________________________ * Number of animals with any tissue examined microscopically Page 12 NTP Experiment-Test: 05107-06 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC NICKEL SUBSULFIDE Date: 05/19/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 22:48:32 ____________________________________________________________________________________________________________________________________ B6C3F1 MICE MALE 0.0MG/M3 0.0MG/M3 0.6MG/M3 0.6MG/M3 1.2MG/M3 1.2MG/M3 LUNG TOX LUNG TOX LUNG TOX ____________________________________________________________________________________________________________________________________ TUMOR SUMMARY Total Animals with Primary Neoplasms (b) 39 2 30 3 35 1 Total Primary Neoplasms 55 2 39 3 46 2 Total Animals with Benign Neoplasms 27 1 14 3 19 1 Total Benign Neoplasms 30 1 15 3 23 1 Total Animals with Malignant Neoplasms 20 1 23 20 1 Total Malignant Neoplasms 25 1 24 22 1 Total Animals with Metastatic Neoplasms 7 6 4 Total Metastatic Neoplasm 20 6 10 Total Animals with Malignant Neoplasms Uncertain Primary Site Total Animals with Neoplasms Uncertain- Benign or Malignant 1 Total Uncertain Neoplasms 1 ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion b Primary tumors: all tumors except metastatic tumors Page 13 ------------------------------------------------------------ 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